In which county is ZIP code 62866 located?

ZIP 62866 is listed under Jefferson, IL.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 62866: Nason, IL

ZIP: 62866

County: Jefferson

Coordinates: 38.16540, -88.96760

ZIP Type: Standard

Time Zone: Central Time (CT)

This profile provides an in-depth look at ZIP code 62866, serving Nason in IL. It lies in Jefferson and supports delivery, planning, and address verification.

Primary City	Nason
ZIP Code	62866
County	Jefferson
State	IL
Latitude / Longitude	38.16540, -88.96760
ZIP Type	Standard
Time Zone	Central Time (CT)
Data Updated	2026-01-08

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 62866 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 62866 is commonly represented around 38.16540, -88.96760. These coordinates help identify the general area within Jefferson, IL.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 62866 for mail delivery and general location reference in Jefferson, IL.

This ZIP may extend beyond the city core into nearby communities within Jefferson.

Related ZIP Codes (Nearby)

Explore other postal codes near Nason within IL.

Frequently Asked Questions

What is the primary city for ZIP code 62866?

The primary city for this ZIP code is Nason, located in IL.

In which county is 62866 located?

ZIP code 62866 is situated within Jefferson, IL.

What are the coordinates for 62866?

The approximate center point is 38.16540 (Latitude) and -88.96760 (Longitude).

Is ZIP code 62866 active?

This page lists ZIP 62866 as Listed based on the latest refresh date shown above.

Does ZIP 62866 cover multiple areas?

Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.

Methodology & Data Notes

How we build this page: We generate this page from a structured ZIP dataset and refresh key fields (city, county, and coordinates) during scheduled updates. Coordinates represent an approximate center point, not an official boundary map.
Sources: Public ZIP reference datasets and geographic coordinate references. If you use specific sources (e.g., USPS, Census), list them on your About/Methodology page.

Page updated: 2026-01-08